From patchwork Sat Jan 15 14:37:41 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Samuel Thibault X-Patchwork-Id: 50065 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 546AE385E038 for ; Sat, 15 Jan 2022 14:37:57 +0000 (GMT) X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from hera.aquilenet.fr (hera.aquilenet.fr [185.233.100.1]) by sourceware.org (Postfix) with ESMTPS id 3470C3858D35 for ; Sat, 15 Jan 2022 14:37:45 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 3470C3858D35 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=ens-lyon.org Authentication-Results: sourceware.org; spf=fail smtp.mailfrom=ens-lyon.org Received: from localhost (localhost [127.0.0.1]) by hera.aquilenet.fr (Postfix) with ESMTP id 345E61D2; Sat, 15 Jan 2022 15:37:44 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at aquilenet.fr Received: from hera.aquilenet.fr ([127.0.0.1]) by localhost (hera.aquilenet.fr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id qzvA13jesFJB; Sat, 15 Jan 2022 15:37:43 +0100 (CET) Received: from begin (unknown [IPv6:2a01:cb19:956:1b00:de41:a9ff:fe47:ec49]) by hera.aquilenet.fr (Postfix) with ESMTPSA id 95AE214A; Sat, 15 Jan 2022 15:37:43 +0100 (CET) Received: from samy by begin with local (Exim 4.95) (envelope-from ) id 1n8kBa-001Gd4-43; Sat, 15 Jan 2022 15:37:42 +0100 From: Samuel Thibault To: libc-alpha@sourceware.org Subject: [hurd, commited] hurd: Fix timer/clock_getres crash on NULL res parameter Date: Sat, 15 Jan 2022 15:37:41 +0100 Message-Id: <20220115143741.302243-1-samuel.thibault@ens-lyon.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Spamd-Bar: ++++ X-Rspamd-Server: hera Authentication-Results: hera.aquilenet.fr; none X-Rspamd-Queue-Id: 345E61D2 X-Spamd-Result: default: False [4.90 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; TO_DN_SOME(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; R_MISSING_CHARSET(2.50)[]; BROKEN_CONTENT_TYPE(1.50)[]; RCVD_COUNT_THREE(0.00)[3]; MID_CONTAINS_FROM(1.00)[]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_LAST(0.00)[] X-Spam-Status: No, score=-11.8 required=5.0 tests=BAYES_00, GIT_PATCH_0, JMQ_SPF_NEUTRAL, KAM_DMARC_STATUS, SPF_HELO_PASS, SPF_NEUTRAL, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: commit-hurd@gnu.org Errors-To: libc-alpha-bounces+patchwork=sourceware.org@sourceware.org Sender: "Libc-alpha" POSIX allows res to be NULL. --- sysdeps/posix/clock_getres.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/sysdeps/posix/clock_getres.c b/sysdeps/posix/clock_getres.c index 252fc9b4ed..b6c3a10791 100644 --- a/sysdeps/posix/clock_getres.c +++ b/sysdeps/posix/clock_getres.c @@ -34,8 +34,11 @@ realtime_getres (struct timespec *res) /* This implementation assumes that the realtime clock has a resolution higher than 1 second. This is the case for any reasonable implementation. */ - res->tv_sec = 0; - res->tv_nsec = 1000000000 / clk_tck; + if (res) + { + res->tv_sec = 0; + res->tv_nsec = 1000000000 / clk_tck; + } return 0; }